menadione

noun
men·​a·​di·​one | \ ˌme-nə-ˈdī-ˌōn How to pronounce menadione (audio) , -dī-ˈ \

Definition of menadione

: a yellow crystalline compound C11H8O2 with the biological activity of natural vitamin K

First Known Use of menadione

1941, in the meaning defined above

History and Etymology for menadione

methyl + napthalene + di- + ketone

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Time Traveler for menadione

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The first known use of menadione was in 1941

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Dictionary Entries Near menadione

menad

menadione

Menadonese

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Cite this Entry

“Menadione.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/menadione. Accessed 5 Jul. 2022.

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More Definitions for menadione

menadione

noun
men·​a·​di·​one | \ ˌmen-ə-ˈdī-ˌōn, -dī-ˈ How to pronounce menadione (audio) \

Medical Definition of menadione

: a yellow crystalline compound C11H8O2 with the biological activity of natural vitamin K

called also vitamin K3

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